Home / 142,745.36-197,009.56-82,304.18

Finding the Fourth Proportional to 142,745.36, 197,009.56 and 82,304.18

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Solution

The fourth proportional to 142,745.36, 197,009.56 and 82,304.18 is: 113,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,745.36 : 197,009.56 = 82,304.18 : x
  2. Step 2: Convert to fraction form
    142,745.36/197,009.56 = 82,304.18/x
  3. Step 3: Cross multiply
    142,745.36x = 197,009.56 × 82,304.18
  4. Step 4: Simplify right side
    142,745.36x = 16,214,710,287.96
  5. Step 5: Solve for x
    x = 16,214,710,287.96/142,745.36
  6. Step 6: Final answer
    x = 113,591.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.